From 092c9de4aa994bd1d15f23e02591407a6bd25edc Mon Sep 17 00:00:00 2001
From: liuyq-617 <yqliu@taosdata.com>
Date: Wed, 25 Nov 2020 15:14:01 +0800
Subject: [PATCH] [TD-2218]<test>add test case

---
 tests/pytest/fulltest.sh      |  1 +
 tests/pytest/query/bug2218.py | 54 +++++++++++++++++++++++++++++++++++
 2 files changed, 55 insertions(+)
 create mode 100644 tests/pytest/query/bug2218.py

diff --git a/tests/pytest/fulltest.sh b/tests/pytest/fulltest.sh
index 525fbad6c1..8977d96df4 100755
--- a/tests/pytest/fulltest.sh
+++ b/tests/pytest/fulltest.sh
@@ -158,6 +158,7 @@ python3 ./test.py -f query/bug1471.py
 python3 ./test.py -f query/bug1874.py
 python3 ./test.py -f query/bug1875.py
 python3 ./test.py -f query/bug1876.py
+python3 ./test.py -f query/bug2218.py 
 
 #stream
 python3 ./test.py -f stream/metric_1.py
diff --git a/tests/pytest/query/bug2218.py b/tests/pytest/query/bug2218.py
new file mode 100644
index 0000000000..bb92e5d9ce
--- /dev/null
+++ b/tests/pytest/query/bug2218.py
@@ -0,0 +1,54 @@
+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+import sys
+from util.log import *
+from util.cases import *
+from util.sql import *
+from util.dnodes import *
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+
+    def run(self):
+        tdSql.prepare()
+        print("==========step1")
+        print("create table && insert data")
+        
+        tdSql.execute("create table mt0 (ts timestamp, c1 int, c2 float, c3 bigint, c4 smallint, c5 tinyint, c6 double, c7 bool)")
+        insertRows = 1000
+        t0 = 1604298064000
+        tdLog.info("insert %d rows" % (insertRows))
+        for i in range(insertRows):
+            ret = tdSql.execute(
+                "insert into mt0 values (%d , %d,%d,%d,%d,%d,%d,%d)" %
+                (t0+i,i%100,i/2,i%100,i%100,i%100,i*1.0,i%2))
+        print("==========step2")
+        print("test col*1*1 desc ")
+        tdSql.query('select c1,c1*1*1,c2*1*1,c3*1*1,c4*1*1,c5*1*1,c6*1*1 from mt0 order by ts  desc limit 2')
+        tdSql.checkData(0,0,99)
+        tdSql.checkData(0,1,0.0)
+        tdSql.checkData(0,2,0.0)
+        tdSql.checkData(0,3,0.0)
+        tdSql.checkData(0,4,0.0)
+        tdSql.checkData(0,5,0.0)
+        tdSql.checkData(0,6,0.0)
+
+        
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())
\ No newline at end of file
-- 
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